.page-disclaimer {
  --terms-aside-w: 250px;
  --terms-head-h: 104px;
  background-color: var(--color-surface);
}

/* 首屏窄幅背景条 */
.page-disclaimer .terms-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-disclaimer .terms-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.page-disclaimer .terms-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-disclaimer .terms-hero__body {
  position: relative;
  z-index: 1;
  padding-block: 96px var(--space-6);
}

.page-disclaimer .terms-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-disclaimer .terms-hero__crumb a {
  color: var(--color-contrast-accent);
  text-decoration: none;
}

.page-disclaimer .terms-hero__crumb a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .terms-hero__mark {
  position: absolute;
  top: var(--space-4);
  right: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--color-contrast-accent);
}

.page-disclaimer .terms-hero h1 {
  margin: var(--space-3) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-disclaimer .terms-hero__lede {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
}

/* 主体两栏 */
.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding-block: var(--space-6) var(--space-8);
}

/* 左侧章节索引 */
.page-disclaimer .terms-index__label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-ink-muted);
}

.page-disclaimer .terms-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-index__item a {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: 7px 0;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-ink-soft);
  text-decoration: none;
}

.page-disclaimer .terms-index__item a::before {
  content: "";
  flex: none;
  align-self: center;
  width: 12px;
  height: 2px;
  background-color: var(--color-line);
  transition: width 160ms ease, background-color 160ms ease;
}

.page-disclaimer .terms-index__no {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-disclaimer .terms-index__item a:hover,
.page-disclaimer .terms-index__item a:focus-visible {
  color: var(--color-ink);
}

.page-disclaimer .terms-index__item a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-disclaimer .terms-index__note {
  margin: var(--space-3) 0 0;
  max-width: 34ch;
  font-size: var(--text-xs);
  line-height: 1.75;
  color: var(--color-ink-muted);
}

/* 章节滚动高亮：当前章节在索引中落暖木色短横线 */
.page-disclaimer .terms-layout:has(#t1[data-current]) .terms-index__item a[href="#t1"],
.page-disclaimer .terms-layout:has(#t2[data-current]) .terms-index__item a[href="#t2"],
.page-disclaimer .terms-layout:has(#t3[data-current]) .terms-index__item a[href="#t3"],
.page-disclaimer .terms-layout:has(#t4[data-current]) .terms-index__item a[href="#t4"],
.page-disclaimer .terms-layout:has(#t5[data-current]) .terms-index__item a[href="#t5"],
.page-disclaimer .terms-layout:has(#t6[data-current]) .terms-index__item a[href="#t6"],
.page-disclaimer .terms-layout:has(#t7[data-current]) .terms-index__item a[href="#t7"],
.page-disclaimer .terms-layout:has(#t8[data-current]) .terms-index__item a[href="#t8"] {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

.page-disclaimer .terms-layout:has(#t1[data-current]) .terms-index__item a[href="#t1"]::before,
.page-disclaimer .terms-layout:has(#t2[data-current]) .terms-index__item a[href="#t2"]::before,
.page-disclaimer .terms-layout:has(#t3[data-current]) .terms-index__item a[href="#t3"]::before,
.page-disclaimer .terms-layout:has(#t4[data-current]) .terms-index__item a[href="#t4"]::before,
.page-disclaimer .terms-layout:has(#t5[data-current]) .terms-index__item a[href="#t5"]::before,
.page-disclaimer .terms-layout:has(#t6[data-current]) .terms-index__item a[href="#t6"]::before,
.page-disclaimer .terms-layout:has(#t7[data-current]) .terms-index__item a[href="#t7"]::before,
.page-disclaimer .terms-layout:has(#t8[data-current]) .terms-index__item a[href="#t8"]::before {
  width: 22px;
  background-color: var(--color-accent);
}

/* 条款正文 */
.page-disclaimer .term {
  scroll-margin-top: var(--terms-head-h);
}

.page-disclaimer .term + .term {
  margin-top: var(--space-8);
}

.page-disclaimer .term__fold {
  display: block;
}

.page-disclaimer .term__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no title"
    "no tag";
  gap: var(--space-1) var(--space-3);
  align-items: baseline;
  padding: 0;
  list-style: none;
  cursor: pointer;
}

.page-disclaimer .term__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .term__head:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 4px;
}

.page-disclaimer .term__no {
  grid-area: no;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-disclaimer .term__title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .term__group {
  grid-area: tag;
  justify-self: start;
}

.page-disclaimer .term__body {
  padding-top: var(--space-3);
}

.page-disclaimer .term__scope {
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .term__body > p {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-disclaimer .term__body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
  text-underline-offset: 3px;
}

.page-disclaimer .term__body a:hover {
  text-decoration-color: var(--color-primary);
}

.page-disclaimer .term__action {
  max-width: var(--measure);
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-highlight);
  border-left: var(--border-thick) solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.page-disclaimer .term__action-label {
  display: block;
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-disclaimer .term__action p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-disclaimer .term__action a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 页尾极简一行收束 */
.page-disclaimer .terms-outro {
  padding-block: var(--space-6) var(--space-8);
  background-color: var(--color-surface-alt);
}

.page-disclaimer .terms-outro__line {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .terms-outro__line a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 760px) {
  .page-disclaimer .terms-hero__body {
    padding-block: 128px var(--space-8);
  }

  .page-disclaimer .terms-hero h1 {
    font-size: var(--text-4xl);
  }

  .page-disclaimer .terms-hero__lede {
    font-size: var(--text-lg);
  }

  .page-disclaimer .terms-hero__mark {
    top: var(--space-6);
    right: var(--space-6);
  }

  .page-disclaimer .term__head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas: "no title tag";
    align-items: baseline;
  }

  .page-disclaimer .term__title {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 960px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: var(--terms-aside-w) minmax(0, 1fr);
    gap: var(--space-8);
    padding-block: var(--section-y) var(--space-8);
  }

  .page-disclaimer .terms-index {
    position: sticky;
    top: var(--terms-head-h);
    align-self: start;
  }

  .page-disclaimer .terms-index__list {
    grid-template-columns: 1fr;
  }

  .page-disclaimer .terms-outro {
    padding-block: var(--space-8) var(--section-y);
  }
}